DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 11
DSP56721
Manufacturer Part Number
DSP56721
Description
Dsp56721 Multi-core Audio Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56721.pdf
(56 pages)
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2.1.4
For DC electrical characteristics, see
Freescale Semiconductor
Supply voltages
Supply voltages
Input high voltage
Note: To avoid a high current condition and possible system damage, all 3.3 V supplies must rise before the 1.0 V supplies
Input low voltage
Input leakage current
Clock pin Input Capacitance (EXTAL)
High impedance (off-state) input current (@ 3.3 V or
0 V)
Output high voltage
Pin I
Output low voltage
Pins I
Internal pull-up resistor
Internal pull-down resistor
• Core (Core_VDD)
• PLL (PLLD_VDD, PLLD1_VDD)
• I/O (IO_VDD)
• PLL (PLLP_VDD, PLLP1_VDD)
• PLL (PLLA_VDD, PLLA1_VDD)
I
LSYNC_OUT, LALE, LCLK Pins I
I
LSYNC_OUT, LALE, LCLK Pins I
OH
OL
OH
= 12 mA
= -12 mA
OL
rise.
= -24 mA
= 24 mA
Figure 8. Ensure Correct Operation of Power-On Reset with Fast Ramp of Core_VDD
DC Electrical Characteristics
Characteristics
Symphony
Core_VDD
TM
OH
OL
Table
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
= 16 mA, TDO
0 V
= -16 mA, TDO
Table 6. DC Electrical Characteristics
6.
Tr must be < 10 ms
Symbol
V
V
V
R
R
V
C
V
I
DDIO
V
I
TSI
DD
IN
OH
OL
PU
PD
IH
IN
IL
Tr
Min
-0.3
3.14
0.9
2.0
-10
2.4
—
—
—
—
—
1.0V
Typ
1.0
3.3
18
—
—
—
—
—
—
—
—
V
IO_VDD+2V
Max
3.46
± 84
1.1
0.8
0.4
10
—
—
—
—
Unit
μA
μA
pF
—
—
V
V
V
V
V
V
11
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